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Subject: Re: [PATCH v4 net-next] xsk: avoid starving the xsk further down the list
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <169814162363.10002.5808190807858257955.git-patchwork-notify@kernel.org>
Date:   Tue, 24 Oct 2023 10:00:23 +0000
References: <20231023125732.82261-1-huangjie.albert@bytedance.com>
In-Reply-To: <20231023125732.82261-1-huangjie.albert@bytedance.com>
To:     Albert Huang <huangjie.albert@bytedance.com>
Cc:     bjorn@kernel.org, magnus.karlsson@intel.com,
        maciej.fijalkowski@intel.com, jonathan.lemon@gmail.com,
        davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
        pabeni@redhat.com, ast@kernel.org, daniel@iogearbox.net,
        hawk@kernel.org, john.fastabend@gmail.com, netdev@vger.kernel.org,
        bpf@vger.kernel.org, linux-kernel@vger.kernel.org
Precedence: bulk

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@iogearbox.net>:

On Mon, 23 Oct 2023 20:57:31 +0800 you wrote:
> In the previous implementation, when multiple xsk sockets were
> associated with a single xsk_buff_pool, a situation could arise
> where the xsk_tx_list maintained data at the front for one xsk
> socket while starving the xsk sockets at the back of the list.
> This could result in issues such as the inability to transmit packets,
> increased latency, and jitter. To address this problem, we introduce
> a new variable called tx_budget_spent, which limits each xsk to transmit
> a maximum of MAX_PER_SOCKET_BUDGET tx descriptors. This allocation ensures
> equitable opportunities for subsequent xsk sockets to send tx descriptors.
> The value of MAX_PER_SOCKET_BUDGET is set to 32.
> 
> [...]

Here is the summary with links:
  - [v4,net-next] xsk: avoid starving the xsk further down the list
    https://git.kernel.org/bpf/bpf-next/c/99b29a499b5f

You are awesome, thank you!
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